The city admitting floating population from rural area increases the supply of workforce in urban area and slows down the aging speed in cities in the near future.
城市接纳农村流动人口，从近期看，可以增加城市劳动力供给，减缓城市老龄化速度，减轻城市抚养比；
With aging of the population in worldwide, the prevalence of osteoporosis increases rapidly and it will be a huge financial burden to all the countries.
随着人口的老龄化，骨质疏松症患病率迅速增加，给世界各国带来沉重的经济负担。
With aging of the population in worldwide, the prevalence of osteoporosis increases rapidly and it will be a huge financial burden to all the countries.
随着人口的老龄化，骨质疏松症患病率迅速增加，给世界各国带来沉重的经济负担。
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